Rohnert Park Weather Forecast

    • 43
    • 62

    Areas Fog

    • 40
    • 57

    Partly Sunny

    • 37
    • 61

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 39
    • 58

    Mostly Cloudy

    • 45
    • 57

    Mostly Cloudy

Today 22 Jan North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the 50s to upper 60s. Light Winds. Becoming southwest around 5 Mph in the afternoon.

Tonight 22 Jan North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Lows in the 40s. Southwest Winds up to 5 Mph. Becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rohnert Park Temperature Statistics

January Temperature

Petaluma Municipal Airport (7.5 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    50.8 °F

  • Highest 16 January, 2026

    64.4 °F

Climate (2021–Present)

Petaluma Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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